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BioPharmaceutical Business Intelligence

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Serving leading biopharmaceutical companies globally:

US Army
AstraZeneca
Harvard Business School
Express Scripts
Cerilliant
UBS
Covington
Novartis
Chubb
Dow

Generated: December 14, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,141,752

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Summary for Patent: 5,141,752

Title: Delayed drug delivery device
Abstract:A dosage form comprising (1) an immediately available dose of a beneficial drug followed by a timed delayed dose of drug, or (2) a timed delayed dose of drug.
Inventor(s): Ayer; Atul D. (Mountain View, CA), Theeuwes; Felix (Los Altos, CA), Wong; Patrick S. L. (Hayward, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:07/715,256
Patent Claim Types:
see list of patent claims
Formulation; Dosage form; Delivery; Composition;

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International Patent Family for Patent: 5,141,752

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia621030► Subscribe
Australia7183787► Subscribe
Belgium1000232► Subscribe
Canada1297368► Subscribe
Switzerland671696► Subscribe
Germany3715224► Subscribe
Spain2005571► Subscribe
France2598319► Subscribe
Italy1208883► Subscribe
Italy8767393► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

US Army
Medtronic
Cipla
Fish and Richardson
US Department of Justice
Argus Health
Chinese Patent Office
Merck
Harvard Business School
Julphar

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